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Cruise speed

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Midnight Music View Drop Down
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    Posted: 05 Oct 2016 at 3:09pm
Can't get the cruise speed over 270 kias no matter what I try. A typical cruise would be 25,000 feet with about 30-40% fuel. I must be doing something wrong. Any tips would be appreciated.

Lee
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Martyn View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Martyn Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2016 at 8:00am
Hi Lee,

270 KIAS sounds about right for a cruise speed. Broadly speaking, economic cruise was 400 kts TAS at 25,000ft, Max cruise 470 kts TAS at 21,000ft. This model makes a touch over 460 kts TAS at altitude, which will give an indicated airspeed of about 270kts.

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Martyn
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Midnight Music View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Midnight Music Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2016 at 9:20pm
Hello Martyn,

Thanks for your response. I do understand that 270 KIAS might be the equivalent of a higher TAS but what throws me is that the Mach gauge only will go up to mach .65, shouldn't it be higher like mach .72 or .74? Is that gauge working correctly? Has anyone else noticed anything?

Lee
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